Removal (3.1L & 3.4L)
WARNING: This page is about a different car, the 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Remove the air intake duct from the throttle body. Disconnect harness connector from Throttle Position (TP) sensor. Remove TP sensor retaining screws. Remove TP sensor and "O" ring from throttle body.